<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>002-CSS样式的两种书写方式</title>
    <style>
        p {
            color: blue;
            font-size: 16px;
        }
        h1{color: red; font-size: 14px;}
    </style>
</head>
<body>
    <p>我是P标签</p>
    <h1>我是h1标题</h1>
</body>
</html>